20405304

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{5557}}^1$

素因数の和:5589

約数の個数: 64

約数和(自身を含む): 60026400

約数和(自身を除く): 39621096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 306, 408, 459, 612, 918, 1224, 1836, 3672, 5557, 11114, 16671, 22228, 33342, 44456, 50013, 66684, 94469, 100026, 133368, 150039, 188938, 200052, 283407, 300078, 377876, 400104, 566814, 600156, 755752, 850221, 1133628, 1200312, 1700442, 2267256, 2550663, 3400884, 5101326, 6801768, 10202652, 20405304]

約数ペア:

[(1, 20405304), (2, 10202652), (3, 6801768), (4, 5101326), (6, 3400884), (8, 2550663), (9, 2267256), (12, 1700442), (17, 1200312), (18, 1133628), (24, 850221), (27, 755752), (34, 600156), (36, 566814), (51, 400104), (54, 377876), (68, 300078), (72, 283407), (102, 200052), (108, 188938), (136, 150039), (153, 133368), (204, 100026), (216, 94469), (306, 66684), (408, 50013), (459, 44456), (612, 33342), (918, 22228), (1224, 16671), (1836, 11114), (3672, 5557)]